Algebra 1 Ch 3 and 4 Final Study

Front

What does it mean when we say 'y varies directly with x'?

Back

It means there is a direct variation relationship between y and x.

Front

What is the equation format for direct variation?

Back

Front

If a sequence has a common difference of 3 and the 14th term is 68, what is the first term?

Back

The first term is 29.

Front

What is the equation of a line that passes through the origin with a slope of 30?

Back

Front

How can you determine if two linear equations are parallel, perpendicular, or neither?

Back

Compare their slopes: Parallel lines have equal slopes, perpendicular lines have slopes that are negative reciprocals.

Front

What is the slope-intercept form of a linear equation?

Back

Front

Back

The variable 'k' represents the constant of variation in direct variation.

Front

If the slope of a line is 2, what is the slope of a line perpendicular to it?

Back

Front

What is the first term of an arithmetic sequence if the 14th term is 68 and the common difference is 3?

Back

The first term is 29.

Front

What is the relationship between the slopes of parallel lines?

Back

The slopes of parallel lines are equal.